Analysis
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max time kernel
221s -
max time network
225s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
20-07-2022 08:57
Static task
static1
Behavioral task
behavioral1
Sample
7e37d028789ab2b47bcab159da6458da2e8198617b0e7760174e4a0eea07d9c9.msi
Resource
win7-20220718-en
windows7-x64
10 signatures
300 seconds
Behavioral task
behavioral2
Sample
7e37d028789ab2b47bcab159da6458da2e8198617b0e7760174e4a0eea07d9c9.msi
Resource
win10v2004-20220718-en
windows10-2004-x64
10 signatures
300 seconds
General
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Target
7e37d028789ab2b47bcab159da6458da2e8198617b0e7760174e4a0eea07d9c9.msi
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Size
224KB
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MD5
6892679f8a4b438c582c9954e15acd19
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SHA1
546bae92165363acd3e0aaef964cc02ec2a2e67d
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SHA256
7e37d028789ab2b47bcab159da6458da2e8198617b0e7760174e4a0eea07d9c9
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SHA512
064ece5fe73a356d9078e13134288e144288bd9e9d8d06cdd72f3aaf4cc9d397b5443be67e2d07f78a282d875187a9679e19506ae580d84c9a44142da366f108
Score
10/10
Malware Config
Signatures
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Matanbuchus
A loader sold as MaaS first seen in February 2021.
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Blocklisted process makes network request 3 IoCs
flow pid Process 2 1500 msiexec.exe 4 1500 msiexec.exe 5 1548 msiexec.exe -
Loads dropped DLL 1 IoCs
pid Process 1484 regsvr32.exe -
Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\6c7ccf.msi msiexec.exe File created C:\Windows\Installer\6c7cd0.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\6c7cd2.msi msiexec.exe File opened for modification C:\Windows\Installer\6c7cd0.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\6c7ccf.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI81AB.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1548 msiexec.exe 1548 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1500 msiexec.exe Token: SeIncreaseQuotaPrivilege 1500 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeSecurityPrivilege 1548 msiexec.exe Token: SeCreateTokenPrivilege 1500 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1500 msiexec.exe Token: SeLockMemoryPrivilege 1500 msiexec.exe Token: SeIncreaseQuotaPrivilege 1500 msiexec.exe Token: SeMachineAccountPrivilege 1500 msiexec.exe Token: SeTcbPrivilege 1500 msiexec.exe Token: SeSecurityPrivilege 1500 msiexec.exe Token: SeTakeOwnershipPrivilege 1500 msiexec.exe Token: SeLoadDriverPrivilege 1500 msiexec.exe Token: SeSystemProfilePrivilege 1500 msiexec.exe Token: SeSystemtimePrivilege 1500 msiexec.exe Token: SeProfSingleProcessPrivilege 1500 msiexec.exe Token: SeIncBasePriorityPrivilege 1500 msiexec.exe Token: SeCreatePagefilePrivilege 1500 msiexec.exe Token: SeCreatePermanentPrivilege 1500 msiexec.exe Token: SeBackupPrivilege 1500 msiexec.exe Token: SeRestorePrivilege 1500 msiexec.exe Token: SeShutdownPrivilege 1500 msiexec.exe Token: SeDebugPrivilege 1500 msiexec.exe Token: SeAuditPrivilege 1500 msiexec.exe Token: SeSystemEnvironmentPrivilege 1500 msiexec.exe Token: SeChangeNotifyPrivilege 1500 msiexec.exe Token: SeRemoteShutdownPrivilege 1500 msiexec.exe Token: SeUndockPrivilege 1500 msiexec.exe Token: SeSyncAgentPrivilege 1500 msiexec.exe Token: SeEnableDelegationPrivilege 1500 msiexec.exe Token: SeManageVolumePrivilege 1500 msiexec.exe Token: SeImpersonatePrivilege 1500 msiexec.exe Token: SeCreateGlobalPrivilege 1500 msiexec.exe Token: SeBackupPrivilege 924 vssvc.exe Token: SeRestorePrivilege 924 vssvc.exe Token: SeAuditPrivilege 924 vssvc.exe Token: SeBackupPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1968 DrvInst.exe Token: SeLoadDriverPrivilege 1968 DrvInst.exe Token: SeLoadDriverPrivilege 1968 DrvInst.exe Token: SeLoadDriverPrivilege 1968 DrvInst.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe Token: SeTakeOwnershipPrivilege 1548 msiexec.exe Token: SeRestorePrivilege 1548 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1500 msiexec.exe 1500 msiexec.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1548 wrote to memory of 1644 1548 msiexec.exe 33 PID 1548 wrote to memory of 1644 1548 msiexec.exe 33 PID 1548 wrote to memory of 1644 1548 msiexec.exe 33 PID 1548 wrote to memory of 1132 1548 msiexec.exe 32 PID 1548 wrote to memory of 1132 1548 msiexec.exe 32 PID 1548 wrote to memory of 1132 1548 msiexec.exe 32 PID 1548 wrote to memory of 1132 1548 msiexec.exe 32 PID 1548 wrote to memory of 1132 1548 msiexec.exe 32 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34 PID 1132 wrote to memory of 1484 1132 regsvr32.exe 34
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\7e37d028789ab2b47bcab159da6458da2e8198617b0e7760174e4a0eea07d9c9.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1500
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\system32\regsvr32.exeregsvr32.exe -n -i:"Install" C:\Users\Admin\AppData\Local\AdobeFontPack\main.dll2⤵
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\regsvr32.exe-n -i:"Install" C:\Users\Admin\AppData\Local\AdobeFontPack\main.dll3⤵
- Loads dropped DLL
PID:1484
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\AdobeFontPack\notify.vbs2⤵PID:1644
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:924
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000494" "0000000000000570"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD578f2fcaa601f2fb4ebc937ba532e7549
SHA1ddfb16cd4931c973a2037d3fc83a4d7d775d05e4
SHA256552f7bdcf1a7af9e6ce672017f4f12abf77240c78e761ac203d1d9d20ac89988
SHA512bcad73a7a5afb7120549dd54ba1f15c551ae24c7181f008392065d1ed006e6fa4fa5a60538d52461b15a12f5292049e929cffde15cc400dec9cdfca0b36a68dd
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize340B
MD5bd5fe4e638da1701ce6c0a04639f26f5
SHA1a3fbe5eedfb710fce62d580e90e4c06fbedec5a2
SHA2568f3a2c638ecb3cf09fd4ea4bacfbf8f9fbf4f45fba2e4cd9faad0a67f69a0ad0
SHA5126c44f5f2fc2353b4b2aaf90b65e41d222c55c5c6ee326c594b0f7b86900aabbf9ad92a4a4cc2a13e63fc5acb4d775b65fde8bc579565e08e91fbbc82e930910f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F2E248BEDDBB2D85122423C41028BFD4
Filesize254B
MD59894fb38a07a8ce643c6a58f11b1e053
SHA17d0b9a8f15eaa338bb7aced4faf49ed7d5299e4b
SHA256007a6c5433c58fc0581596931ada0d2eded1e6dd53c4245bb4ad03e4b8337f43
SHA512f00d6a97fe8dc4e7f20217806a03bbd6b72b5798ea15cf677bfac26d3386999203e9b5743c54fe4538b8b4a58ed66b63fee7a353568b50108ed13e143b351bc0
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Filesize
401KB
MD58f4c28685a3373241bec9af4bf6a6a3e
SHA1b17610603b063aff1f48bfcaba4f4d4a25579eef
SHA2567efb8b4ac75560f1f21db9c1a77b2199921f53d74c3d4d6318852cfcdebc066a
SHA512f9a3cc700320f069d7bdfd7ed49c576757974a328d254a2a28976d226354ee8bb2020d186766a1c4503e3f1a1a6e10fc8ff59995fe97cbc3abbd1ed868a1d4a6
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Filesize
68B
MD50308aa2c8dab8a69de41f5d16679bb9b
SHA1c6827bf44a433ff086e787653361859d6f6e2fb3
SHA2560a7e8fd68575db5f84c18b9a26e4058323d1357e2a29a5b12278e4bfa6939489
SHA5121a1ca92e3c8d52c8b5adbb3117a88d8a2a8c33eaf2f7b0d620fe006653f57f4ba0b803884616594ca31e13a1b0b59ddae52cecf044621ec44371084dac6beb72
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Filesize
401KB
MD58f4c28685a3373241bec9af4bf6a6a3e
SHA1b17610603b063aff1f48bfcaba4f4d4a25579eef
SHA2567efb8b4ac75560f1f21db9c1a77b2199921f53d74c3d4d6318852cfcdebc066a
SHA512f9a3cc700320f069d7bdfd7ed49c576757974a328d254a2a28976d226354ee8bb2020d186766a1c4503e3f1a1a6e10fc8ff59995fe97cbc3abbd1ed868a1d4a6